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Finding the Fourth Proportional to 72,592.96, 108,879.04 and 22,661.44

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Solution

The fourth proportional to 72,592.96, 108,879.04 and 22,661.44 is: 33,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592.96 : 108,879.04 = 22,661.44 : x
  2. Step 2: Convert to fraction form
    72,592.96/108,879.04 = 22,661.44/x
  3. Step 3: Cross multiply
    72,592.96x = 108,879.04 × 22,661.44
  4. Step 4: Simplify right side
    72,592.96x = 2,467,355,832.22
  5. Step 5: Solve for x
    x = 2,467,355,832.22/72,592.96
  6. Step 6: Final answer
    x = 33,988.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.